This PWM ( Pulse WIdth Modulation) solar charge controller delivers a voltage of 12V and a 24A current guaranteed to reduce your energy needs by 288 watts for starters; and with current values capable of varying as much as 40A, power values may as well reach 480v. Thus if you are on budget, and you are looking to a new solar charge controller, then getting this solar charger will be a cool alternative to mppt solar charge controllers.